CI: test mipsel-unknown-linux-gnu

.travis.yml

@@ -52,6 +52,10 @@ matrix:
       os: linux
       services: docker
       sudo: required
+    - env: TARGET=mipsel-unknown-linux-gnu
+      os: linux
+      services: docker
+      sudo: required
     - env: TARGET=powerpc-unknown-linux-gnu
       os: linux
       dist: trusty

ci/env.sh

@@ -33,6 +33,15 @@ case $TARGET in
         export QEMU=qemu-mips
         export QEMU_LD_PREFIX=/usr/mips-linux-gnu
         ;;
+    mipsel-unknown-linux-gnu)
+        # NOTE $DOCKER values: 'y' (yes, call docker), 'i' (inside a docker container) or 'n' ("no)
+        if [[ -z $DOCKER ]]; then
+            export DOCKER=y
+        fi
+        export PREFIX=mipsel-linux-gnu-
+        export QEMU=qemu-mipsel
+        export QEMU_LD_PREFIX=/usr/mipsel-linux-gnu
+        ;;
     powerpc-unknown-linux-gnu)
         export PREFIX=powerpc-linux-gnu-
         export QEMU_LD_PREFIX=/usr/powerpc-linux-gnu

ci/install.sh

@@ -13,6 +13,7 @@ install_deps() {
 install_qemu() {
     case $TARGET in
         mips-unknown-linux-gnu | \
+        mipsel-unknown-linux-gnu | \
         powerpc64-unknown-linux-gnu | \
         powerpc64le-unknown-linux-gnu)
             apt-get install -y --no-install-recommends \
@@ -41,6 +42,10 @@ install_c_toolchain() {
             apt-get install -y --no-install-recommends \
                     gcc-mips-linux-gnu libc6-dev-mips-cross
             ;;
+        mipsel-unknown-linux-gnu)
+            apt-get install -y --no-install-recommends \
+                    gcc-mipsel-linux-gnu libc6-dev-mipsel-cross
+            ;;
         powerpc64-unknown-linux-gnu)
             apt-get install -y --no-install-recommends \
                     gcc-powerpc64-linux-gnu libc6-dev-ppc64-cross